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Autunite Group

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Big Photo

Torbernite
Hagendorf South Pegmatite (Cornelia Mine; Hagendorf South Open Cut), Hagendorf, Waidhaus, Vohenstrauß, Oberpfälzer Wald, Upper Palatinate, Bavaria, Germany
© Christian Rewitzer

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Formula:
A(UO
 
2
)
 
2
(XO
 
4
)
 
2
·10-12H
 
2
O
A = Cu, Ca, Ba, or Mg
X = P or As.
Name:After the prominent member of the group.


A group of layer structured uranyl phosphates and arsenates.
See also Meta-autunite Group.

Classification of Autunite Group

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Chemical Properties of Autunite Group

Formula:
A(UO
 
2
)
 
2
(XO
 
4
)
 
2
·10-12H
 
2
O


A = Cu, Ca, Ba, or Mg
X = P or As.

Relationship of Autunite Group to other Species

Group Members:
Autunite
Ca(UO
 
2
)
 
2
(PO
 
4
)
 
2
 · 11H
 
2
O
Heinrichite
Ba(UO
 
2
)
 
2
(AsO
 
4
)
 
2
 · 10H
 
2
O
Kahlerite
Fe(UO
 
2
)
 
2
(AsO
 
4
)
 
2
 · 12H
 
2
O
Nováčekite-I
Mg(UO
 
2
)
 
2
(AsO
 
4
)
 
2
 · 12H
 
2
O
Sabugalite
HAl(UO
 
2
)
 
4
(PO
 
4
)
 
4
 · 16H
 
2
O
Saléeite
Mg(UO
 
2
)
 
2
(PO
 
4
)
 
2
 · 10H
 
2
O
Torbernite
Cu(UO
 
2
)
 
2
(PO
 
4
)
 
2
 · 12H
 
2
O
Uranocircite
Ba(UO
 
2
)
 
2
(PO
 
4
)
 
2
 · 10H
 
2
O
Uranospinite
Ca(UO
 
2
)(AsO
 
4
)
 
2
 · 10H
 
2
O
Zeunerite
Cu(UO
 
2
)
 
2
(AsO
 
4
)
 
2
 · 12H
 
2
O

Other Names for Autunite Group

Synonyms:
Torbernite Group
Other Languages:

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Autunite Group

Reference List:

- +
Hallimond (1916) Mineralogical Magazine: 17: 326.

Hallimond (1920) Mineralogical Magazine: 19: 43.

Fairchild (1929) American Mineralogist: 14: 265.

Beintema (1938) Recueil des travaux chimiques des Pays-Bas et de la Belgique, Leyden: 57: 155.

Weiss-Frondel (1951) American Mineralogist: 36: 249.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 980-981 (as Torbernite Group).

Internet Links for Autunite Group

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    • Localities for Autunite Group

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